Diagnostic Aids
Will not shift into gears sitting still, hard shift effort. Vehicle moves with pedal to the floor.
Test Description
The number(s) below refer to the step number(s) on the diagnostic table.
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To check for leaks or worn seals on the master cylinder.
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Check the clutch actuator for leaks or worn parts.
Step | Action | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|
DEFINITION: If the clutch cannot be disengaged, or fails to release, you cannot shift gears. | |||||||||
1 | Did you review the clutch symptom operations and perform the necessary inspections. | Go to Step 2 | Go to Symptoms - Clutch | ||||||
2 | Inspect for a pedal travel restriction. Is the vehicle equipped with a aftermarket floor covering? | Go to Step 3 | Go to Step 4 | ||||||
3 | Remove the aftermarket floor covering. Does the clutch work properly? | Go to Step 12 | Go to Step 4 | ||||||
4 | Test the clutch system. Refer to Symptoms - Clutch . Did you find and repair the condition? | Go to Step 12 | Go to Step 5 | ||||||
5 | You do not bleed the ZF S6-650 transmission. Inspect for air in the clutch hydraulic system. Self bleed the system and pump the clutch pedal 25 times. Is there air in the clutch hydraulic system? | Go to Step 6 | Go to Step 8 | ||||||
6 | Bleed the clutch hydraulic system. Refer to Hydraulic Clutch Bleeding . Did you find and repair the condition? | Go to Step 12 | Go to Step 7 | ||||||
7 | Inspect the master cylinder for worn parts. Did you find and repair the condition? | Go to Step 12 | Go to Step 8 | ||||||
Remove the transmission. Refer to the following:
Inspect for a worn or faulty clutch actuator. Is the clutch actuator worn or damaged? | Go to Step 9 | Go to Step 10 | |||||||
Replace the clutch actuator or release bearing. Refer to Clutch Concentric Actuator Cylinder Replacement . Does the clutch work properly? | Go to Step 12 | Go to Step 10 | |||||||
10 | Inspect the clutch assembly for the following:
Did you find and repair the condition? | Go to Step 12 | Go to Step 11 | ||||||
11 | Replace the clutch disc. Refer to Clutch Assembly Replacement . Did you find and repair the condition? | System OK | Go to Diagnostic Aids | ||||||
12 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to System Diagnosis | ||||||
